Structures of Participation in Digital Culture (A Columbia / SSRC Book) by Joe Karaganis [Repost]

Digital technologies are engines of cultural innovation, from the virtualization of group networks and social identities to the digital convergence of textural and audio-visual media. User-centered content production, from Wikipedia and YouTube to Open Source, has become the emblem of this transformation, but the changes run deeper and wider than these novel organizational forms.